InChI=1S/C19H25NO4/c21-17(20-12-15-8-4-5-9-16(15)13-20)11-19(24,18(22)23)10-14-6-2-1-3-7-14/h1-3,6-7,15-16,24H,4-5,8-13H2,(H,22,23)